Ian Fisher created CLOUDSTACK-6554:
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Summary: [VMWARE]Guest VMs failed to access public network when
VR's public IP and management IP are in same CIDR
Key: CLOUDSTACK-6554
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6554
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Virtual Router, VMware
Affects Versions: 4.2.1
Environment: advanced zone, default network offering, public IPs in
single CIDR, management IPs in the same CIDR
Reporter: Ian Fisher
When using same CIDR for public network and management network, guest VMs
failed to connect to computers in public network via VR with default network
offering in VMware advanced zone. It seems that the routing rules in custom
routing table of VR caused this issue. Logged in to VR and execute:
ip route ls table Table_eth2
and got:
default via 10.4.12.1 dev eth1 proto static
According to the rules in iptables and IP configuration of NICs, the device of
this routing rule seems should be eth2, which is for public network connection.
The corresponding configuration script in ipassoc.sh is
sudo ip route add default via $defaultGwIP table $tableName proto static
Rebooted the VR after Inserting "dev $ethDev" after "$defaultGwIP" and it seems
to work.
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